Knob



FIG. 1 is a perspective view of a knob showing my new design;

FIG. 2 is a side elevational view thereof, both sides being identical;

FIG. 3 is a top plan view thereof, the bottom being identical;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an exploded perspective view thereof. 

The ornamental design for a knob, as shown and described. 